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# fr30 testcase for subn $Rj,$Ri
# mach(): fr30

        .include "testutils.inc"

        START

        .text
        .global subn
subn:
        ; Test subn $Rj,$Ri
        mvi_h_gr        1,r7
        mvi_h_gr        2,r8
        set_cc          0x0f            ; Set mask opposite of usual result
        subn            r7,r8
        test_cc         1 1 1 1
        test_h_gr       1,r8

        mvi_h_gr        1,r7
        mvi_h_gr        0x80000000,r8
        set_cc          0x0d            ; Set mask opposite of usual result
        subn            r7,r8
        test_cc         1 1 0 1
        test_h_gr       0x7fffffff,r8

        set_cc          0x0b            ; Set mask opposite of usual result
        subn            r8,r8
        test_cc         1 0 1 1
        test_h_gr       0,r8

        set_cc          0x06            ; Set mask opposite of usual result
        subn            r7,r8
        test_cc         0 1 1 0
        test_h_gr       0xffffffff,r8

        pass